What has the author Harold T Betteridge written?

There is no known author named "Harold T Betteridge". It's possible you have the name slightly wrong, or that this is a fictional name.

If you can provide more information about the author or their work, I may be able to help you find what you're looking for.

For example, you could tell me:

* A specific book title: "Have they written a book called 'The Mystery of the Missing Shoe'?"

* A genre they write in: "Have they written any fantasy novels?"

* A specific topic they write about: "Have they written anything about history?"

With more context, I can help you find out more about this author.